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authorArnd Bergmann <arnd@arndb.de>2021-07-21 17:04:45 +0200
committerMark Brown <broonie@kernel.org>2021-07-22 12:39:59 +0100
commitb9a4b57f423ff8ff9ab9b68a238bdc3e7678f723 (patch)
tree56abaf3f19f578d730698590b32a2042faa51498 /sound
parent82d28b67f780910f816fe1cfb0f676fc38c4cbb3 (diff)
ASoC: codecs: wcd938x: fix wcd module dependency
With SND_SOC_ALL_CODECS=y and SND_SOC_WCD938X_SDW=m, there is a link error from a reverse dependency, since the built-in codec driver calls into the modular soundwire back-end: x86_64-linux-ld: sound/soc/codecs/wcd938x.o: in function `wcd938x_codec_free': wcd938x.c:(.text+0x2c0): undefined reference to `wcd938x_sdw_free' x86_64-linux-ld: sound/soc/codecs/wcd938x.o: in function `wcd938x_codec_hw_params': wcd938x.c:(.text+0x2f6): undefined reference to `wcd938x_sdw_hw_params' x86_64-linux-ld: sound/soc/codecs/wcd938x.o: in function `wcd938x_codec_set_sdw_stream': wcd938x.c:(.text+0x332): undefined reference to `wcd938x_sdw_set_sdw_stream' x86_64-linux-ld: sound/soc/codecs/wcd938x.o: in function `wcd938x_tx_swr_ctrl': wcd938x.c:(.text+0x23de): undefined reference to `wcd938x_swr_get_current_bank' x86_64-linux-ld: sound/soc/codecs/wcd938x.o: in function `wcd938x_bind': wcd938x.c:(.text+0x2579): undefined reference to `wcd938x_sdw_device_get' x86_64-linux-ld: wcd938x.c:(.text+0x25a1): undefined reference to `wcd938x_sdw_device_get' x86_64-linux-ld: wcd938x.c:(.text+0x262a): undefined reference to `__devm_regmap_init_sdw' Work around this using two small hacks: An added Kconfig dependency prevents the main driver from being built-in when soundwire support itself is a loadable module to allow calling devm_regmap_init_sdw(), and a Makefile trick links the wcd938x-sdw backend as built-in if needed to solve the dependency between the two modules. Fixes: 045442228868 ("ASoC: codecs: wcd938x: add audio routing and Kconfig") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20210721150510.1837221-1-arnd@kernel.org Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/Kconfig1
-rw-r--r--sound/soc/codecs/Makefile5
2 files changed, 5 insertions, 1 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 032c87637f63..d24edb01c19b 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -1559,6 +1559,7 @@ config SND_SOC_WCD934X
config SND_SOC_WCD938X
depends on SND_SOC_WCD938X_SDW
tristate
+ depends on SOUNDWIRE || !SOUNDWIRE
config SND_SOC_WCD938X_SDW
tristate "WCD9380/WCD9385 Codec - SDW"
diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile
index de8b83dd2c76..7bb38c370842 100644
--- a/sound/soc/codecs/Makefile
+++ b/sound/soc/codecs/Makefile
@@ -583,7 +583,10 @@ obj-$(CONFIG_SND_SOC_WCD_MBHC) += snd-soc-wcd-mbhc.o
obj-$(CONFIG_SND_SOC_WCD9335) += snd-soc-wcd9335.o
obj-$(CONFIG_SND_SOC_WCD934X) += snd-soc-wcd934x.o
obj-$(CONFIG_SND_SOC_WCD938X) += snd-soc-wcd938x.o
-obj-$(CONFIG_SND_SOC_WCD938X_SDW) += snd-soc-wcd938x-sdw.o
+ifdef CONFIG_SND_SOC_WCD938X_SDW
+# avoid link failure by forcing sdw code built-in when needed
+obj-$(CONFIG_SND_SOC_WCD938X) += snd-soc-wcd938x-sdw.o
+endif
obj-$(CONFIG_SND_SOC_WL1273) += snd-soc-wl1273.o
obj-$(CONFIG_SND_SOC_WM0010) += snd-soc-wm0010.o
obj-$(CONFIG_SND_SOC_WM1250_EV1) += snd-soc-wm1250-ev1.o